Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-553 A Thornton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-553 0 Thornton CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2013-10-28   
209-553 1 Thornton CA   515J IP HORIZON LLC 738      
209-553 2 Thornton CA   515J IP HORIZON LLC 738      
209-553 3 Thornton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-23   
209-553 4 Thornton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-553 5 Thornton CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2022-01-28   
209-553 6 Thornton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-24   
209-553 7 Thornton CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-553 8 Thornton CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-553 9 Thornton CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-06-27   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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